CVE-2011-2961

CVE-2011-2961 is a critical-severity vulnerability in Sunwayland Pnetpower with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

Heap-based buffer overflow in AngelServer.exe 6.0.11.3 in Sunway pNetPower allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDP packet.

Frequently asked questions

What is CVE-2011-2961?
Heap-based buffer overflow in AngelServer.exe 6.0.11.3 in Sunway pNetPower allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDP packet.
How severe is CVE-2011-2961?
CVE-2011-2961 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-2961 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2961?
CVE-2011-2961 affects Sunwayland Pnetpower. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-2961?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-2961 published?
CVE-2011-2961 was published on 2011-07-29 and last updated on 2026-06-16.

References

Affected products (1)

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →